Writers should never change a verb tense while writing

Which two principles form the basis for capitalism?

Which of the following pieces of evidence from gandhi's freedom's battle is most persuasive in support of non- cooperation? a) "i consider that people are better disciplined now than they were before." b) "the danger that attended the civil disobedience does not apply to non-cooperati c) "i do not consider non-cooperation to be unconstitutional." d) "i cannot say a large number has responded to my appeal."

Asking questions from a text while reading with what?